The view user_mapping_options contains
all the options defined for user mappings in the current database.
Only those user mappings are shown where the current user has
access to the corresponding foreign server (by way of being the
owner or having some privilege).

Table 34-56. user_mapping_options
Columns

Name

Data Type

Description

authorization_identifier

sql_identifier

Name of the user being mapped, or PUBLIC if the mapping is public

foreign_server_catalog

sql_identifier

Name of the database that the foreign server used by this
mapping is defined in (always the current database)

foreign_server_name

sql_identifier

Name of the foreign server used by this mapping

option_name

sql_identifier

Name of an option

option_value

character_data

Value of the option. This column will show as null unless the
current user is the user being mapped, or the mapping is for
PUBLIC and the current user is the server
owner, or the current user is a superuser. The intent is to protect
password information stored as user mapping option.